Post Infection Control Workshop Quiz
- 1.
- How do you disinfect the needleless connector before accessing it?
- A.
A. Clean with 70% alcohol swab in twisting motion
- B.
B. Clean the hub with 70% alcohol swab vigorously
- C.
C. Clean the top of connector in circular motion with 70% alcohol swab
- D.
D. Clean the connector gently
Correct Answer
B. B. Clean the hub with 70% alcohol swab vigorouslyExplanation
To disinfect the needleless connector before accessing it, the correct method is to clean the hub with a 70% alcohol swab vigorously. This ensures that any potential bacteria or contaminants on the surface of the hub are effectively eliminated. Cleaning the hub vigorously helps to remove any stubborn debris or microorganisms that may be present, reducing the risk of infection or contamination during the access procedure.Rate this question:
- 2.
2. Recommended practices for preventing central line associated blood stream infection includes the following except
- A.
A. Use of femoral vein for non-tunnelled central venous access in adult patients
- B.
B. Use of maximum barrier precautions during central line insertion
- C.
C. Use of >0.5% chlorhexidine with alcohol antiseptic for skin preparation
- D.
D. Do not routinely replace central line catheter
Correct Answer
A. A. Use of femoral vein for non-tunnelled central venous access in adult patientsExplanation
The use of femoral vein for non-tunnelled central venous access in adult patients is not a recommended practice for preventing central line associated bloodstream infections. This is because the femoral vein is located close to the perineum, which is a high-risk area for contamination. It is recommended to use other sites such as the subclavian or internal jugular veins for central venous access in adult patients.Rate this question:
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- 3.
The followings urinary catheter care are true to reduce urinary catheter associated UTI except
- A.
A. Ensure closed catheter system
- B.
B. Routine changing of urinary drainage bag
- C.
C. Drainage tube junction must be disinfected before and after emptying the urine from the drainage bag
- D.
D. When emptying the drainage bag, ensure no contact between drainage port and the measuring container
Correct Answer
B. B. Routine changing of urinary drainage bagExplanation
The correct answer is B. Routine changing of urinary drainage bag. Routine changing of the urinary drainage bag is not necessary to reduce urinary catheter-associated UTI. The other options, A, C, and D, are all true statements that can help reduce the risk of UTIs associated with urinary catheter care.Rate this question:
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- 4.
4. The following statements about urine samples are true, except:
- A.
A. Urine samples may be contaminated with bacteria from urethra or perineum
- B.
B. An in-out catheter sample is not suitable for diagnosis of urinary tract infection
- C.
C. Condom catheter urine samples are often contaminated with bacteria from the surrounding skin, or colonised with bacteria just like indwelling catheters
- D.
D. Growth of bacteria from a urinary catheter always indicates infection
Correct Answer
D. D. Growth of bacteria from a urinary catheter always indicates infectionExplanation
The growth of bacteria from a urinary catheter does not always indicate an infection. Bacteria can colonize the catheter without causing an infection, especially in cases where the catheter has been in place for an extended period of time. Therefore, the statement in option D is not true.Rate this question:
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- 5.
5. Which of following statement about infusion practice is NOT correct?
- A.
A. Replace intermittent IV infusion sets every 24 hours.
- B.
B. Frequent disconnecting and connecting the infusion set as long as you clean it with alcohol swab. It will not increase risk of blood stream infections.
- C.
C. Replace IV infusion set used for blood or TPN after each use
- D.
D. Swab Infusion set connection part with single-use 70% alcohol swabs before and after connection.
Correct Answer
B. B. Frequent disconnecting and connecting the infusion set as long as you clean it with alcohol swab. It will not increase risk of blood stream infections.Explanation
The correct answer is B. Frequent disconnecting and connecting the infusion set as long as you clean it with an alcohol swab will not increase the risk of bloodstream infections. This statement is incorrect because frequent disconnecting and connecting of the infusion set can increase the risk of contamination and bloodstream infections. It is important to minimize the number of disconnects and connections to reduce the risk of infection.Rate this question:
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- 6.
6. Which of the following is an acceptable indication for urinary catheter insertion in ambulant patients?
- A.
A. Collect 24 hour urine for patient
- B.
B. Patient is on strict I/O charting
- C.
C. Patient has acute urinary retention.
- D.
D. All of above
Correct Answer
C. C. Patient has acute urinary retention.Explanation
An acceptable indication for urinary catheter insertion in ambulant patients is when the patient has acute urinary retention. Acute urinary retention refers to the sudden inability to urinate, which can cause discomfort and potentially lead to complications if not addressed. Inserting a urinary catheter can help relieve the urinary retention and allow for proper urine flow. Collecting 24-hour urine and strict I/O charting are not indications for urinary catheter insertion.Rate this question:
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- 7.
7. The higher the bioburden on an object,
- A.
A. The more difficult it will be to sterilize
- B.
B. The less time it will take to sterilize it
- C.
C. The more biological test you will need in the load
- D.
D. The longer it will take to cool after sterilization
Correct Answer
A. A. The more difficult it will be to sterilizeExplanation
The higher the bioburden on an object, the more difficult it will be to sterilize. This is because bioburden refers to the number of microorganisms present on an object, and a higher bioburden means there are more microorganisms that need to be killed or removed during the sterilization process. Therefore, it will require more time, higher temperatures, or more aggressive sterilization methods to effectively eliminate the microorganisms and achieve sterilization.Rate this question:
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- 8.
8. Which of the following scenarios would require a review of need for urinary catheter removal?
- A.
A. Patient was admitted with silicone catheter and changed to foley’s catheter due to infection
- B.
B. Patient was transferred from surgical HD to general ward with urinary catheter. Physiotherapist is ambulating patient in the ward.
- C.
C. Patient has failed TOV and referred to urology team. Urology doctor decided to insert a silicone catheter for this patient.
- D.
D. Patient is on long- term catheter
Correct Answer
B. B. Patient was transferred from surgical HD to general ward with urinary catheter. Physiotherapist is ambulating patient in the ward.Explanation
This scenario involves a patient who was transferred from a surgical high dependency unit (HD) to a general ward with a urinary catheter. The physiotherapist is ambulating the patient in the ward. Ambulation is the act of walking or moving around, and it is important to review the need for urinary catheter removal in this situation because ambulation may increase the risk of catheter-related complications such as catheter-associated urinary tract infections. Therefore, it is necessary to assess if the catheter is still needed or if it can be safely removed.Rate this question:
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- 9.
9. The item that is introduced directly into the bloodstream or other normally sterile areas of the body is classified as?
- A.
A. Critical item
- B.
B. Semi-critical item
- C.
C. Non-critical item
- D.
D. Equipment
Correct Answer
A. A. Critical itemExplanation
A critical item is classified as an item that is introduced directly into the bloodstream or other normally sterile areas of the body. These items have a high risk of causing infection if not properly sterilized or if contaminated. Therefore, they require stringent sterilization processes to ensure patient safety.Rate this question:
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- 10.
10. Alcohol-based handrubs have good or excellent antimicrobial activity against all of the following except?
- A.
A. Viruses
- B.
B. Mycobacteria
- C.
C. Bacteria spores
- D.
D. Gram positive and gram negative bacteria
Correct Answer
C. C. Bacteria sporesExplanation
Alcohol-based handrubs are known to have good or excellent antimicrobial activity against viruses, mycobacteria, and gram positive and gram negative bacteria. However, they are not as effective against bacterial spores. Bacterial spores have a tough outer layer that protects them from the antimicrobial effects of alcohol. Therefore, alcohol-based handrubs may not be able to completely eliminate bacterial spores from the hands.Rate this question:
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- 11.
11. Which hand hygiene method is most effective at killing bacteria?
- A.
A. Soap and water
- B.
B. Alcohol-based hand rub
- C.
C. Chlorhexidine soap and water
- D.
D. Plain water
Correct Answer
B. B. Alcohol-based hand rubExplanation
Alcohol-based hand rub is the most effective at killing bacteria because it contains a high concentration of alcohol, usually around 60-95%, which is known to effectively kill bacteria and other microorganisms on the hands. Soap and water are also effective, but may not be as convenient or readily available in certain situations. Chlorhexidine soap and water may be effective against some bacteria, but alcohol-based hand rub is generally more effective. Plain water alone is not sufficient to kill bacteria.Rate this question:
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- 12.
12. Which of the following is NOT a correct statement on care of PICC?
- A.
A. Clean insertion site with 2% Chlorhexidine in 70% alcohol
- B.
B. Apply the antiseptic solution gently and wipe dry with gauze before applying transparent dressing
- C.
C. Inspect PICC puncture site for signs of infection
- D.
D. Change Microclave connector every 7 days if it is clean
Correct Answer
B. B. Apply the antiseptic solution gently and wipe dry with gauze before applying transparent dressingExplanation
The correct statement on care of PICC is to clean the insertion site with 2% Chlorhexidine in 70% alcohol, inspect the PICC puncture site for signs of infection, and change the Microclave connector every 7 days if it is clean. However, applying the antiseptic solution gently and wiping dry with gauze before applying transparent dressing is not a correct statement. The correct procedure is to allow the antiseptic solution to air dry before applying the transparent dressing.Rate this question:
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- 13.
How long should you rub your hands together when washing with soap and water?
- A.
A. 5 seconds
- B.
B. 15 seconds
- C.
C. 1 minute
- D.
D. Until they seem clean
Correct Answer
C. C. 1 minuteExplanation
When washing hands with soap and water, it is recommended to rub them together for at least 1 minute. This duration ensures that the soap has enough time to create a lather and effectively remove dirt, germs, and bacteria from the hands. Rubbing the hands together for a shorter duration may not be sufficient to achieve proper cleanliness and hygiene.Rate this question:
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- 14.
14. MRSA and other multi-drug-resistant organisms can be transmitted:
- A.
A. Through medical equipment that is shared and not disinfected appropriately between patient use
- B.
B. On the hands of health-care workers who do not perform hand hygiene as indicated in the 5 Moments for Hand Hygiene
- C.
C. Through environmental surfaces that are not properly cleaned
- D.
D. All of the above
Correct Answer
D. D. All of the aboveExplanation
MRSA and other multi-drug-resistant organisms can be transmitted through various means. They can be transmitted through medical equipment that is shared and not disinfected appropriately between patient use. They can also be transmitted on the hands of healthcare workers who do not perform hand hygiene as indicated in the 5 Moments for Hand Hygiene. Additionally, they can be transmitted through environmental surfaces that are not properly cleaned. Therefore, the correct answer is D, all of the above.Rate this question:
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- 15.
15. Example/s of hand hygiene indication for “Before clean/invasive procedure” is/are
- A.
A. You are opening an enteral feeds for feeding patient
- B.
B. You are preparing microburette drip set for intravenous infusion
- C.
C. You are draining urine from urinary drainage bag
- D.
D. All of above
Correct Answer
D. D. All of above -
- 16.
16. What is the BEST practice to prevent infection in urinary catheterization?
- A.
A. Sterile technique during insertion
- B.
B. Remove catheter as soon as patient does not need it
- C.
C. Maintain closed system at all times
- D.
D. All of above
Correct Answer
D. D. All of aboveExplanation
The best practice to prevent infection in urinary catheterization is to follow all of the above options. Sterile technique during insertion helps to minimize the risk of introducing bacteria into the urinary tract. Removing the catheter as soon as the patient no longer needs it reduces the duration of catheterization and the risk of infection. Maintaining a closed system at all times helps to prevent contamination of the catheter and the urinary tract. By following all of these practices, the risk of infection can be significantly reduced.Rate this question:
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- 17.
17. What are the signs and symptoms of UTI? I. Positive urine culture II. Fever (>38°C) III. Cloudy urine IV. Dysuria V. Suprapubic tenderness
- A.
A. I,II,III,IV
- B.
B. I, IV,V
- C.
C. III,IV
- D.
D. II,IV,V
Correct Answer
D. D. II,IV,VExplanation
The signs and symptoms of UTI include fever (>38°C), dysuria (painful or difficult urination), and suprapubic tenderness. These symptoms are indicative of an infection in the urinary tract. Positive urine culture and cloudy urine are not specific signs of UTI and can be present in other conditions as well. Therefore, the correct answer is D. II, IV, V.Rate this question:
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- 18.
18. Which is the most effective disinfectant for terminal cleaning of discharge room of patient with Clostridium difficile?
- A.
A. sodium hypochlorite solution
- B.
B. Phenolic based solution
- C.
C. Alcohol based solution
- D.
D. Quaternary ammonium compound solution
Correct Answer
A. A. sodium hypochlorite solutionExplanation
Sodium hypochlorite solution is the most effective disinfectant for terminal cleaning of a discharge room of a patient with Clostridium difficile. This is because sodium hypochlorite, also known as bleach, has strong antimicrobial properties and is effective against a wide range of bacteria, including C. difficile. It is able to kill the spores produced by C. difficile, which are resistant to many other disinfectants. Therefore, using sodium hypochlorite solution for terminal cleaning helps to prevent the spread of C. difficile infection to other patients.Rate this question:
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- 19.
19. How do you disinfect the needleless connector before accessing it?
- A.
A. Clean with 70% alcohol swab in twisting motion
- B.
B. Scrub the hub with 70% alcohol swab vigorously
- C.
C. Clean the top of connector in circular motion with 70% alcohol swab
- D.
D. Clean the connector gently
Correct Answer
B. B. Scrub the hub with 70% alcohol swab vigorouslyExplanation
The correct answer is B because scrubbing the hub with a 70% alcohol swab vigorously is the recommended method for disinfecting a needleless connector before accessing it. This method ensures thorough cleaning and removal of any potential contaminants on the connector, reducing the risk of infection or contamination during use.Rate this question:
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- 20.
20. Which are the components of CLABSI bundle? I.Hand hygiene before procedure II.Use of full barrier precautions III.A solution of 2% chlorhexidine gluconate in 70% isopropyl alcohol is used and allowed to dry for at least 30 seconds. IV.a sterile gown, sterile gloves, face shield mask,and cap should be worn by person who inserts the central line
- A.
A. III,IV
- B.
B. I,II,III
- C.
C. II,III,IV
- D.
D. I,II,III,IV
Correct Answer
D. D. I,II,III,IVExplanation
The correct answer is D. I, II, III, IV. This means that all of the components listed in options I, II, III, and IV are part of the CLABSI (Central Line-Associated Bloodstream Infection) bundle. The components include hand hygiene before the procedure, the use of full barrier precautions, the use of a solution of 2% chlorhexidine gluconate in 70% isopropyl alcohol, and the requirement for the person inserting the central line to wear a sterile gown, sterile gloves, face shield mask, and cap.Rate this question:
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